CN111225412B

CN111225412B - Method and device for determining state of network equipment

Info

Publication number: CN111225412B
Application number: CN201811415278.XA
Authority: CN
Inventors: 彭劲东
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2021-10-22
Anticipated expiration: 2038-11-26
Also published as: CN111225412A

Abstract

The embodiment of the application provides a method and a device for acquiring the state of network equipment, wherein the method comprises the following steps: the RRN acquires the use information of the air interface resource, wherein the use information of the air interface resource is obtained after the RRN monitors the air interface resource; and if the RRN determines that the first network equipment is in the congestion state according to the use information of the air interface resources, the RRN sends indication information to the second network equipment, wherein the indication information is used for indicating that the first network equipment is in the congestion state. According to the method and the device for acquiring the state of the network equipment, the relay base station can acquire whether the host base station is in the congestion state without interacting with the host base station in the wireless backhaul scene, so that the problem that the relay base station acquires whether the host base station is in the congestion state through interacting with the host base station is solved.

Description

Method and device for determining state of network equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for determining a state of a network device.

Background

In a wireless backhaul scenario, if there are many users under a donor base station (DeNB) and congestion occurs, resources acquired by a Relay Remote Node (RRN) are less, and if a large number of users are still allowed to access to the Relay base station (Relay BTS), service transmission of each user accessing to the Relay BTS is affected, and therefore, the Relay BTS needs to know whether the DeNB is in a congestion state and perform admission control when the DeNB is in the congestion state.

But the retrabts is unable to determine itself whether the DeNB is congested. Currently, in one scheme, if the DeNB, RRN, and retrabts are of the same vendor, the DeNB may inform the RRN by private signaling: the DeNB is congested and the RRN then informs the retrabts: congestion occurs in DeNB, but this scheme is only applicable in scenarios where DeNB, RRN, and retbts are the same vendor. In another scheme, a ReBTS establishes an X2 port with a DeNB in an RRN wireless mode, load information of the DeNB is interacted through an X2, and when the ReBTS judges that the load of the DeNB is higher than a threshold, the DeNB is considered to be congested.

Disclosure of Invention

The embodiment of the application provides a method and a device for acquiring the state of network equipment, and a ReBTS can acquire whether a DeNB is in a congestion state without interacting with the DeNB, so that the problem that the ReBTS acquires whether the DeNB is in the congestion state through interacting with the DeNB is solved.

In a first aspect, an embodiment of the present application provides a method for acquiring a status of a network device, including:

a relay remote node RRN acquires the use information of air interface resources, wherein the use information of the air interface resources is obtained after the RRN monitors the air interface resources;

and if the RRN determines that the first network equipment is in the congestion state according to the use information of the air interface resource, the RRN sends indication information to the second network equipment, wherein the indication information is used for indicating that the first network equipment is in the congestion state.

In the scheme, the RRN monitors the air interface resource, acquires the usage information of the air interface resource, and thus, after determining whether the first network device handles the congestion state according to the usage information of the air interface resource, sends information indicating that the first network device is in the congestion state to the second network device, so that the second network device knows that the first network device is in the congestion state, and the purpose that the second network device knows that the first network device is in the congestion state is achieved without interaction between the first network device and the second network device, thereby avoiding at least one of the following problems that the second network device learns the state of the first network device by interacting with the first network device in the prior art: the method includes the steps of limiting that the first network device and the second network device need to be the same manufacturer, increasing signaling load of a core network device of the first network device, limiting that the first network device needs to be in an LTE system, and starting an MLB function when the first network device and the second network device are devices of different manufacturers.

In one possible design, the obtaining, by the RRN, usage information of air interface resources includes:

the RRN acquires the utilization rate of a downlink Resource Block (RB) corresponding to the current time unit;

correspondingly, if the RRN determines that the first network device is in the congestion state according to the usage information of the air interface resource, before the RRN sends the indication information to the second network device, the method further includes:

and if the downlink RB utilization rate is greater than or equal to a first preset threshold value, the RRN determines that the first network equipment is in a congestion state.

The design provides a corresponding method for acquiring the use information of the air interface resource when the use information of the air interface resource is the downlink RB utilization rate corresponding to the current time unit, and the higher the downlink RB utilization rate corresponding to the current time unit is, the more users are accessed by the first network equipment, so that the congestion state of the first network equipment can be accurately judged according to the downlink RB utilization rate corresponding to the current time unit.

In one possible design, the obtaining, by the RRN, a utilization rate of a downlink resource block RB corresponding to a current time unit includes:

the RRN determines the RB which is used for transmitting data and corresponds to the current time unit;

and the RRN determines the utilization rate of the downlink RB corresponding to the current time unit according to the number of the RBs which are used for transmitting data and correspond to the first network equipment in the current time unit and the total number of the RBs corresponding to the first network equipment in the current time unit.

The design provides a specific implementation of accurately acquiring the utilization rate of the downlink RB corresponding to the current time unit.

In one possible design, the acquiring, by the RRN, an RB being used for data transmission corresponding to the current time unit includes:

for each RB corresponding to the first network device within the current time unit: the RRN acquires the signal intensity of a downlink signal on the RB, and if the signal intensity of the downlink signal on the RB is larger than or equal to a signal intensity baseline value of a cell corresponding to the RB, the RRN determines that the RB is the RB which is used for transmitting data;

and the signal intensity baseline value of the cell corresponding to the RB is the signal intensity baseline value of the serving cell where the RRN is located or the signal intensity baseline value of the adjacent cell of the serving cell where the RRN is located.

This design provides a specific implementation to accurately determine that RB is the RB being used to transmit data.

In one possible design, the first network device may be configured to, for each RB corresponding to the current time unit: the RRN obtains the signal strength of the downlink signal on the RB, and if the signal strength of the downlink signal on the RB is greater than or equal to the signal strength baseline value of the cell corresponding to the RB, the RRN determines that the RB is a RB that is being used for data transmission, further includes:

within a preset time length, for each RB corresponding to a service cell where the RRN is located, the RRN acquires a first signal strength of a downlink signal received from the RB;

and determining a signal strength baseline value of the serving cell where the RRN is located according to the first signal strength.

This design provides a specific implementation of accurately determining the signal strength baseline value for the serving cell in which the RRN is located.

within a preset time length, for each RB corresponding to a service cell where the RRN is located, the RRN obtains a first signal strength of a downlink signal received from the RB and obtains a second signal strength corresponding to the RB, wherein the second signal strength corresponding to the RB is the total strength of all downlink signals transmitted on the RB, and the second signal strength corresponding to the RB is subtracted from the corresponding first signal strength to obtain a third signal strength corresponding to the RB;

and determining a signal intensity baseline value of the neighbor cell of the serving cell where the RRN is located according to the third signal intensity and the number of the neighbor cells of the serving cell where the RRN is located.

The design provides a specific implementation of accurately determining the signal strength baseline value of the neighbor cell of the serving cell where the RRN is located.

the RRN acquires attribute information of a current period, wherein the attribute information comprises at least one of the following items: a first total symbol number occupied by a physical downlink control channel PDCCH, a first total RB number occupied by a physical uplink control channel PUCCH, a second total symbol number occupied by a sounding reference signal SRS, a first average value of downlink RB utilization rates corresponding to each time unit included in the current period, and a second average value of RB numbers occupied by the PUCCH corresponding to each broadcast message received in the current period;

correspondingly, before the RRN sends the indication information to the second network device if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, the method further includes:

if the attribute information meets the corresponding preset condition, the RRN determines that the first network equipment is in a congestion state;

the preset condition corresponding to the first total symbol number occupied by the PDCCH is as follows: the difference value between the first total symbol number and the first symbol baseline value is greater than or equal to a second preset threshold, and the preset condition corresponding to the first total RB number occupied by the PUCCH is as follows: the difference value between the first total RB number and the RB baseline value is greater than or equal to a third preset threshold, and the preset condition corresponding to the second total symbol number occupied by the SRS is as follows: the difference value between the second total symbol number and the second symbol baseline value is greater than a fourth preset threshold, and the preset condition corresponding to the first average value is as follows: the first average value is greater than or equal to a first preset threshold value, and the second average value corresponds to preset conditions that: and the difference value between the second average value and the third symbol baseline value is greater than or equal to a fifth preset threshold value.

The design provides a corresponding method for acquiring the use information of the air interface resource when the use information of the air interface resource is the attribute information of the current period in the design, and because the attribute information of the current period can accurately reflect the condition of a user accessed by the first network equipment, the congestion state of the first network equipment can be accurately judged through the attribute information of the current period.

In a possible design, if the attribute information includes a first total symbol number occupied by the PDCCH, before the RRN acquires the attribute information of the current period, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a third total symbol number occupied by the PDCCH corresponding to the preset time period, and the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

and the RRN determines the first symbol baseline value according to each third total symbol number.

The design provides a specific implementation method for accurately determining the baseline value of the first symbol.

In a possible design, if the attribute information includes the first total RB number occupied by the PUCCH, before the RRN acquires the attribute information of the current cycle, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a second total RB number occupied by a PUCCH corresponding to the preset time period, and the duration corresponding to each preset time period is the same as the duration corresponding to the current cycle;

and determining the RB baseline value according to the second total RB numbers.

The design provides a specific implementation method for accurately determining the RB baseline value.

In one possible design, if the attribute information includes the second total number of symbols occupied by the SRS, before the RRN acquires the attribute information of the current period, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a fourth total symbol number occupied by the SRS corresponding to the preset time period, and the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

and determining the second symbol baseline value according to the fourth total symbol number.

The design provides a specific implementation method for accurately determining the baseline value of the second symbol.

In a possible design, if the attribute information includes a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period, before the RRN acquires the attribute information in the current period, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a third average value of the number of RBs occupied by PUCCHs corresponding to the received broadcast messages in the preset time period, and the duration corresponding to each preset time period is the same as the duration corresponding to the current period;

and determining the third symbol baseline value according to the third average value.

The design provides a specific implementation method for accurately determining the baseline value of the third symbol.

In a second aspect, an embodiment of the present application provides a method for determining a status of a network device, including:

the second network equipment acquires indication information from the RRN, wherein the indication information is used for indicating that the first network equipment is in a congestion state;

and the second network equipment performs admission control according to the indication information.

The indication information is obtained after the RRN determines that the first network device is in a congestion state according to usage information of air interface resources, where the usage information of the air interface resources is obtained by the RRN monitoring the air interface resources.

In the scheme, the second network device acquires the indication information indicating whether the first network device handles the congestion state from the RRN, and the indication information is acquired after the RRN monitors the empty resource to obtain the use information of the empty resource, and no interaction with the first network device exists, so that the scheme can realize the purpose that the second network device knows that the first network device is in the congestion state without interaction between the first network device and the second network device, thereby avoiding at least one of the following problems that the second network device learns the state of the first network device by interaction with the first network device in the prior art: the method includes the steps of limiting that the first network device and the second network device need to be the same manufacturer, increasing signaling load of a core network device of the first network device, limiting that the first network device needs to be in an LTE system, and starting an MLB function when the first network device and the second network device are devices of different manufacturers.

In a third aspect, an apparatus for acquiring a status of a network device in an embodiment of the present application includes:

the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring the use information of air interface resources, and the use information of the air interface resources is obtained after the air interface resources are monitored;

a sending module, configured to send, if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, indication information to the second network device, where the indication information is used to indicate that the first network device is in the congestion state.

In one possible design, the obtaining module is specifically configured to:

acquiring the utilization rate of a downlink Resource Block (RB) corresponding to a current time unit;

further comprising: a determining module, configured to determine that the first network device is in the congestion state if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, and before sending indication information to the second network device, if the downlink RB utilization is greater than or equal to a first preset threshold.

In one possible design, the obtaining module is specifically configured to:

determining an RB (radio bearer) which is used for transmitting data and corresponds to the current time unit;

and determining the utilization rate of the downlink RB corresponding to the current time unit according to the number of the RBs which are used for transmitting data and correspond to the first network equipment in the current time unit and the total number of the RBs corresponding to the first network equipment in the current time unit.

In one possible design, the obtaining module is specifically configured to:

for each RB corresponding to the first network device within the current time unit: acquiring the signal intensity of a downlink signal on an RB, and if the signal intensity of the downlink signal on the RB is greater than or equal to a signal intensity baseline value of a cell corresponding to the RB, determining the RB as the RB which is used for transmitting data;

the signal strength baseline value of the cell corresponding to the RB is a signal strength baseline value of a serving cell in which the device for acquiring the state of the network equipment is located or a signal strength baseline value of a neighboring cell of the serving cell in which the device for acquiring the state of the network equipment is located.

In one possible design, the obtaining module is further configured to, for each RB corresponding to the first network device in the current time unit: acquiring the signal intensity of a downlink signal on an RB, and if the signal intensity of the downlink signal on the RB is greater than or equal to the signal intensity baseline value of a cell corresponding to the RB, determining that the RB is before the RB used for transmitting data:

within a preset time length, for each RB corresponding to a service cell where a device for acquiring the state of network equipment is located, acquiring first signal strength of a downlink signal received from the RB;

and determining a signal strength baseline value of a serving cell in which the device for acquiring the state of the network equipment is located according to the first signal strength.

within a preset time length, for each RB corresponding to a service cell where a device for acquiring the state of network equipment is located, acquiring first signal strength of downlink signals received from the RB and acquiring second signal strength corresponding to the RB, wherein the second signal strength corresponding to the RB is the total strength of all downlink signals transmitted on the RB, and subtracting the corresponding first signal strength from the second signal strength corresponding to the RB to obtain third signal strength corresponding to the RB;

and determining a signal intensity baseline value of the neighbor cell of the service cell where the device for acquiring the state of the network equipment is located according to the third signal intensity and the number of the neighbor cells of the service cell where the device for acquiring the state of the network equipment is located.

In one possible design, the obtaining module is specifically configured to:

acquiring attribute information of a current period, wherein the attribute information comprises at least one of the following items: a first total symbol number occupied by a physical downlink control channel PDCCH, a first total RB number occupied by a physical uplink control channel PUCCH, a second total symbol number occupied by a sounding reference signal SRS, a first average value of downlink RB utilization rates corresponding to each time unit included in the current period, and a second average value of RB numbers occupied by the PUCCH corresponding to each broadcast message received in the current period;

further comprising: a determining module, configured to, before the determining that the first network device is in the congestion state according to the usage information of the air interface resource, send indication information to the second network device:

if the attribute information meets the corresponding preset condition, determining that the first network equipment is in a congestion state;

In a possible design, if the attribute information includes a first total symbol number occupied by the PDCCH, the obtaining module is further configured to, before obtaining the attribute information of the current period:

for each preset time period in at least one preset time period, acquiring a third total symbol number occupied by the PDCCH corresponding to the preset time period, wherein the duration corresponding to each preset time period is the same as the duration corresponding to the current period;

and determining the first symbol baseline value according to the third total symbol numbers.

In a possible design, if the attribute information includes a first total RB number occupied by a PUCCH, the obtaining module is further configured to, before obtaining the attribute information of the current cycle:

for each preset time period in at least one preset time period, acquiring a second total RB number occupied by a PUCCH corresponding to the preset time period, wherein the duration corresponding to each preset time period is the same as the duration corresponding to the current cycle;

and determining the RB baseline value according to the second total RB numbers.

In one possible design, if the attribute information includes a second total number of symbols occupied by the SRS, the obtaining module is further configured to, before obtaining the attribute information of the current period:

for each preset time period in at least one preset time period, acquiring a fourth total symbol number occupied by the SRS corresponding to the preset time period, wherein the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

In a possible design, if the attribute information includes a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period, the obtaining module is further configured to, before obtaining the attribute information in the current period:

for each preset time period in at least one preset time period, obtaining a third average value of the number of RBs occupied by PUCCHs corresponding to each broadcast message received in the preset time period, wherein the duration corresponding to each preset time period is the same as the duration corresponding to the current period;

In a fourth aspect, an embodiment of the present application provides an apparatus for acquiring a status of a network device, including:

an obtaining module, configured to obtain, from a relay remote node RRN, indication information, where the indication information is used to indicate that a first network device is in a congestion state;

and the control module is used for carrying out admission control according to the indication information.

In a fifth aspect, an embodiment of the present application provides a relay remote node, including a processor;

the processor is configured to be coupled to the memory, read and execute instructions in the memory, so as to implement the method according to any one of the first aspect.

In one possible design, the memory is also included.

In a sixth aspect, the present application provides a computer storage medium including instructions that, when executed on a communication device, cause the communication device to perform the method according to any one of the first aspect.

In a seventh aspect, an embodiment of the present application provides a relay remote node, including a processor;

the processor is configured to be coupled with the memory, read and execute instructions in the memory, so as to implement the method according to any one of the second aspect.

In one possible design, the memory is also included.

In an eighth aspect, the present application provides a computer storage medium including instructions that, when executed on a communication apparatus, cause the communication apparatus to perform the method according to any one of the second aspects.

In the application, the RRN monitors the air interface resource, and obtains usage information of the air interface resource, so as to determine whether the first network device handles the congestion state according to the usage information of the air interface resource, and then send information indicating that the first network device is in the congestion state to the second network device, so that the second network device knows that the first network device is in the congestion state, and the second network device knows that the first network device is in the congestion state without interaction between the first network device and the second network device, thereby avoiding at least one of the following problems in the prior art that the second network device learns the state of the first network device by interaction with the first network device: the method includes the steps of limiting that the first network device and the second network device need to be the same manufacturer, increasing signaling load of a core network device of the first network device, limiting that the first network device needs to be in an LTE system, and starting an MLB function when the first network device and the second network device are devices of different manufacturers.

Drawings

FIG. 1 is a diagram of a system architecture provided by an embodiment of the present application;

fig. 2 is a schematic diagram of a protocol stack of a network device according to an embodiment of the present application;

fig. 3 is a first signaling interaction diagram of a method for acquiring a network device state according to an embodiment of the present application;

fig. 4 is a signaling interaction diagram ii of a method for acquiring a network device state according to an embodiment of the present application;

fig. 5 is a signaling interaction diagram three of a method for acquiring a network device state according to the embodiment of the present application;

fig. 6 is a first schematic structural diagram of an apparatus for acquiring a status of a network device according to an embodiment of the present application;

fig. 7 is a schematic structural diagram ii of an apparatus for acquiring a network device status according to an embodiment of the present application;

fig. 8 is a third schematic structural diagram of an apparatus for acquiring a network device status according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a relay remote node according to an embodiment of the present application.

Detailed Description

In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple. The terms "first," "second," and the like in this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Fig. 1 is a system architecture diagram provided in an embodiment of the present application, and referring to fig. 1, a first network device is a network device with a relay function, and supports access of a terminal and an RRN; the RRN is accessed to the first network equipment through a wireless signal and establishes an air interface bearer.

The RRN is connected with a second network device through a wire, the second network device can provide access of the terminal in the coverage area, and the transmission of the second network device is provided by the RRN.

In a wireless backhaul scenario, the first network device may be a DeNB and the second network device may be a retrabts.

In the following, some terms in the present application are explained to facilitate understanding by those skilled in the art:

a network device: also called Radio Access Network (RAN) device, which is a device for accessing a terminal to a wireless Network, may be an evolved Node B (eNB or eNodeB) in Long Term Evolution (LTE), or a relay station or an Access Point, or a base station in a 5G Network, such as a Transmission and Reception Point (TRP) and a controller, but is not limited herein. In a possible manner, the access network device may be a base station (e.g. a gNB) of a CU and DU separation architecture, as shown in fig. 2, and fig. 2 is a schematic protocol stack diagram of a network device according to an embodiment of the present disclosure. The RAN device may be connected to a core network device (for example, the core network may be a core network of LTE, or a core network of 5G). CU and DU can be understood as the division of the base stations from a logical functional point of view. CUs and DUs may be physically separate or deployed together. A plurality of DUs can share one CU. A DU may also connect multiple CUs (not shown). The CU and DU may be connected via an interface, such as an F1 interface. CUs and DUs may be partitioned according to protocol layers of the wireless network. Functions of Radio Resource Control (RRC), Service Data Adaptation Protocol (SDAP), and Packet Data Convergence Protocol (PDCP) layers are set in the CU, and functions of Radio Link Control (RLC), Media Access Control (MAC) layer, Physical (PHY) layer, and the like are set in the DU. It is to be understood that the division of CU and DU processing functions according to such protocol layers is merely an example, and may be performed in other manners. For example, a CU or DU may be partitioned to have more protocol layer functionality. For example, a CU or DU may also be divided into partial processing functions with protocol layers. In one design, some of the functions of the RLC layer and the functions of protocol layers above the RLC layer are provided in the CUs, and the remaining functions of the RLC layer and the functions of protocol layers below the RLC layer are provided in the DUs. In another design, the functions of a CU or DU may also be divided according to traffic type or other system requirements. For example, dividing by time delay, setting the function that processing time needs to meet the time delay requirement in DU, and setting the function that does not need to meet the time delay requirement in CU. In another design, a CU may also have one or more functions of the core network. One or more CUs may be centrally located or separately located. For example, the CUs may be located on the network side to facilitate centralized management. The DU may have multiple rf functions, or may have a remote rf function.

The functionality of a CU may be implemented by one entity or by different entities. For example, the functionality of the CU may be further split, e.g. the Control Plane (CP) and the User Plane (UP) are separated, i.e. the control plane (CU-CP) and the CU user plane (CU-UP) of the CU. For example, the CU-CP and CU-UP may be implemented by different functional entities, which may be coupled with the DUs to collectively perform the functions of a base station. In one possible approach, the CU-CP is responsible for the control plane functions, mainly including RRC and PDCP-C. The PDCP-C is mainly responsible for encryption and decryption of control plane data, integrity protection, data transmission and the like. The CU-UP is responsible for user plane functions, including mainly SDAP and PDCP-U. Where the SDAP is primarily responsible for processing data of the core network and mapping data flows (flows) to bearers. The PDCP-U is mainly responsible for encryption and decryption of a data plane, integrity protection, header compression, serial number maintenance, data transmission and the like. Wherein the CU-CP and CU-UP are connected via the E1 interface. The CU-CP represents the connection of the gNB to the core network via the Ng interface. Via F1-C (control plane) and DU connection. CU-UP is connected with DU via F1-U (user plane). Of course, there is also a possible implementation where PDCP-C is also in CU-UP.

A terminal: the wireless terminal can be a wireless terminal or a wired terminal, and the wireless terminal can be a device with a wireless transceiving function, can be deployed on land, and comprises indoor or outdoor, handheld or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal, an Augmented Reality (AR) terminal, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like, which are not limited herein. It can be understood that, in the embodiment of the present application, a terminal may also be referred to as a User Equipment (UE).

The following describes a method for acquiring a network device status according to the present application with reference to a specific embodiment.

Fig. 3 is a signaling interaction diagram of a method for acquiring a network device state according to an embodiment of the present application, referring to fig. 3, the method according to the embodiment includes:

step S101, the RRN obtains the use information of the air interface resource, and the use information of the air interface resource is obtained after the RRN monitors the air interface resource.

Specifically, the RRN monitors the air interface resource by itself, and obtains the usage information of the air interface resource.

Since the RRN monitors the air interface resource and obtains the usage information of the air interface resource to determine whether the first network device (e.g., the DeNB) is in the congestion state, the usage information of the air interface resource in this embodiment is information capable of indicating whether the first network device is in the congestion state, for example, the usage information of the air interface resource may include at least one of the following:

(1) a utilization rate of a downlink Resource Block (RB) corresponding to a current time unit or an average value of utilization rates of downlink RBs corresponding to time units included in a period of time: the higher the utilization rate of the downlink RB is, the more users that the first network device accesses, the more easily the first network device is in the congestion state. The time unit may be a Transmission Time Interval (TTI).

(2) Number of symbols occupied by a physical downlink control channel (PDCCH for short) for a period of time: if the first network device supports the adaptive function of the PDCCH resource, the more users the first network device accesses, the more symbols the PDCCH occupies, and therefore, if the more symbols the PDCCH occupies counted over a period of time, the more users the first network device accesses, the more users the first network device easily enters a congestion state.

(3) Number of RBs occupied by a Physical Uplink Control Channel (PUCCH) for a period of time: if the first network device supports the PUCCH resource adaptive function, the more users the first network device accesses, the more RBs the PUCCH occupies, and therefore, the more RBs the PUCCH occupies counted over a period of time, which means that the more users the first network device accesses, the more users the first network device easily enters a congestion state.

(4) Number of symbols occupied by Sounding Reference Signal (SRS) for a period of time: if the first network device supports the SRS resource adaptation function, the more users the first network device accesses, the more symbols the SRS occupies, and therefore, the more symbols the SRS occupies counted over a period of time, the more users the first network device accesses, the more users the first network device easily gets in a congestion state.

The information about the use of the air interface resource is not limited to the above four information, and may also be other information capable of indicating whether the first network device is in the congestion state, which is not described in detail in this embodiment.

Step S102, if the RRN determines that the first network equipment is in the congestion state according to the use information of the air interface resources, the RRN sends indication information to the second network equipment, and the indication information is used for indicating that the first network equipment is in the congestion state.

In particular, the second network device here may be a ReBTS.

If the RRN determines that the first network device is in the congestion state according to the usage information of the air interface resource, before the RRN sends the indication information to the second network device, the method further includes: and judging whether the first network equipment is in a congestion state or not according to the use information of the air interface resources.

Exemplarily, if the usage information of the air interface resource is the downlink RB usage rate corresponding to the current time unit, the RRN determines that the first network device is in the congestion state if the downlink RB usage rate corresponding to the current time unit is greater than or equal to a first preset threshold, and determines that the first network device is not in the congestion state if the downlink RB usage rate corresponding to the current time unit is less than the first preset threshold.

And step S103, the second network equipment performs admission control according to the indication information.

Specifically, after receiving the indication information, the second network device learns that the first network device is in a congestion state, and then performs admission control on the user. The admission control may be, for example: restricting access of new users to the second network device, restricting the total number of users accessing the second network device, releasing users currently accessing the second network device, switching users currently accessing the second network device to other cells, and so on.

The admission control of the user can ensure the perception rate of the user accessing the second network equipment.

In this embodiment, the RRN monitors the air interface resource, and obtains usage information of the air interface resource, so as to determine whether the first network device handles the congestion state according to the usage information of the air interface resource, and then send information indicating that the first network device is in the congestion state to the second network device, so that the second network device knows that the first network device is in the congestion state, and the purpose that the second network device knows that the first network device is in the congestion state is achieved without interaction between the first network device and the second network device, thereby avoiding at least one of the following problems in the prior art that the second network device learns the state of the first network device by interacting with the first network device: the method includes the steps of limiting that the first network device and the second network device need to be the same manufacturer, increasing signaling Load of a core network device of the first network device, limiting that the first network device needs to be an LTE system, and starting Mobility Load Balancing (MLB) when the first network device and the second network device are devices of different manufacturers.

The embodiment shown in fig. 3 will be described in detail below using the embodiments shown in fig. 4 and 5.

First, a method for acquiring a network device state, in which usage information of an air interface resource is corresponding to a downlink RB utilization rate corresponding to a current time unit, is described. Fig. 4 is a second interaction diagram of the method for acquiring the state of the network device according to the embodiment of the present application, and referring to fig. 4, the method according to the embodiment includes:

step S201, the RRN obtains the downlink RB utilization corresponding to the current time unit.

Specifically, the obtaining, by the RRN, the utilization rate of the downlink resource block RB corresponding to the current time unit includes:

a1, RRN determines the RB which is used for transmitting data and corresponds to the current time unit;

specifically, for each RB corresponding to the first network device in the current time unit: the RRN acquires the signal intensity of a downlink signal on the RB, and if the signal intensity of the downlink signal on the RB is larger than or equal to the signal intensity baseline value of the cell corresponding to the RB, the RRN determines that the RB is the RB which is used for transmitting data; and the signal intensity baseline value of the cell corresponding to the RB is the signal intensity baseline value of the serving cell where the RRN is located or the signal intensity baseline value of the adjacent cell of the serving cell where the RRN is located.

For each RB corresponding to the first network device in the current time unit, if the cell corresponding to the RB is the serving cell in which the RRN is located, comparing the signal strength of the downlink signal on the RB with the signal strength baseline value of the serving cell in which the RRN is located, and if the signal strength of the downlink signal on the RB is greater than or equal to the signal strength baseline value of the serving cell in which the RRN is located, considering the RB as the RB being used for transmitting data; if the cell corresponding to the RB is a neighboring cell of the serving cell in which the RRN is located, comparing the signal strength of the downlink signal on the RB with the signal strength baseline value of the neighboring cell of the serving cell in which the RRN is located, and if the signal strength of the downlink signal on the RB is greater than or equal to the signal strength baseline value of the neighboring cell of the serving cell in which the RRN is located, considering the RB as being used for data transmission.

The signal strength of the downlink signal on the RB refers to the total signal strength of all downlink signals transmitted on the RB, and the method for obtaining the signal strength of the downlink signal on the RB may refer to the existing method, which is not described in detail in this embodiment. Each RB corresponding to the first network device in the current time unit in this embodiment refers to each RB in all RBs corresponding to the full bandwidth of the first network device in the current time unit in this embodiment.

The signal strength baseline value of the serving cell in which the RRN is located and the signal strength baseline value of the neighbor cell of the serving cell in which the RRN is located are obtained before a 1.

A possible method for obtaining the baseline signal strength value of the serving cell in which the RRN is located is described below.

The method for acquiring the signal strength baseline value of the serving cell in which the RRN is located comprises the following steps:

b1, in the preset time length, for each RB corresponding to the RRN, the RRN acquires the first signal strength of the downlink signal received from the RB. The preset time length can be any value of 100 ms-2 s.

b2, determining the signal strength baseline value of the serving cell of the RRN according to the third signal strength.

Specifically, the signal strength baseline value of the serving cell where the RRN is located can be obtained by averaging the first signal strengths obtained within the preset time duration in b 1.

It can be understood that, at different times within the preset time duration, RBs corresponding to the serving cell where the RRN is located may be different or the same. Therefore, as long as the preset duration is long enough, the RRN can acquire the first signal strength of the downlink signal received from the RB corresponding to each segment of bandwidth of the first network device, and thus the obtained baseline value of the signal strength of the serving cell where the RRN is located is relatively accurate. If the full bandwidth of the first network device is 18M and the bandwidth of one RB is 180Hz, the first network device corresponds to 100000 segments of bandwidth.

A feasible method for obtaining the baseline signal strength value of the neighboring cell of the serving cell in which the RRN is located is described as follows:

c1, in a preset time length, for each RB corresponding to the serving cell where the RRN is located, the RRN obtains a first signal strength of a downlink signal received from the RB and obtains a second signal strength corresponding to the RB, wherein the second signal strength corresponding to the RB is the total strength of all downlink signals transmitted on the RB, and the second signal strength corresponding to the RB is subtracted from the corresponding first signal strength to obtain a third signal strength corresponding to the RB.

The third signal strength corresponding to the RB is actually the interference signal strength of the neighboring cell of the serving cell where the RRN is located.

c2, RRN determines the signal intensity base line value of the adjacent cell of the service cell where RRN is located according to the third signal intensity and the number of the adjacent cells of the service cell where RRN is located.

Specifically, averaging the third signal strengths obtained within the preset time duration in c1, and then dividing the obtained average by the number of the neighboring cells of the serving cell where the RRN is located, to obtain a baseline value of the signal strength of the neighboring cell of the serving cell where the RRN is located.

a2, the RRN determines the utilization rate of the downlink RB corresponding to the current time unit according to the number of the RBs used for data transmission corresponding to the current time unit and the total number of the RBs corresponding to the first network device in the current time unit.

Specifically, the RRN obtains a ratio of the number of RBs currently used for data transmission corresponding to the current time unit to the total number of RBs corresponding to the first network device in the current time unit, where the ratio is a downlink RB utilization rate corresponding to the current TTI.

Step S202, if the downlink RB utilization is greater than a first preset threshold, the RRN determines that the first network device is in a congestion state.

Specifically, the first preset threshold may be any value between 70% and 90%. For example, if the first preset threshold is 80%, it indicates that the utilization rate of the downlink RB corresponding to the current TTI is high, and many users are accessed to the first network device, so the RRN determines that the first network device is in the congestion state.

Step S203, the RRN sends indication information to the second network device, where the indication information is used to indicate that the first network device is in the congestion state.

Specifically, the specific implementation of step S203 refers to step S102 in the embodiment shown in fig. 3, and details are not repeated here.

And step S204, the second network equipment performs admission control according to the indication information.

Specifically, the specific implementation of step S204 refers to step S103 in the embodiment shown in fig. 3, and is not described herein again.

This embodiment provides a method for acquiring a network device state corresponding to a downlink RB utilization rate corresponding to a current time unit based on usage information of air interface resources.

Next, a method of acquiring a network device status corresponding to the case where the usage information of the air interface resource is other information will be described. Fig. 5 is a third interaction diagram of a method for acquiring a network device status provided in the embodiment of the present application, and referring to fig. 5, the method of the present application includes:

step S301, the RRN acquires the attribute information of the current period, wherein the attribute information comprises at least one of the following items: the number of first total symbols occupied by the PDCCH, the number of first total RBs occupied by the PUCCH, the number of second total symbols occupied by the SRS, a first average value of utilization rates of downlink RBs corresponding to each time unit included in a current period, and a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period;

specifically, the duration of the current period may be any one of the values from 100ms to 3s, and may also be other values, which are not limited in this embodiment.

The RRN acquires the attribute information of the current period, and the method comprises the following steps: the RRN obtains a first total symbol number occupied by a PDCCH in a current period and/or a first total RB number occupied by a PUCCH and/or a second total symbol number occupied by an SRS, and/or a first average value of downlink RB utilization rates corresponding to each time unit included in the current period and/or a second average value of RB numbers occupied by the PUCCH corresponding to each broadcast message received in the current period.

Wherein, for the first total symbol number occupied by the PDCCH in the current period: the number of symbols occupied by the PDCCH in one subframe is indicated by the PCFICH channel, and the RRN may count the number of first total symbols occupied by the PDCCH in the current period according to the PCFICH channel indication.

For the first total RB number occupied by the current period PUCCH: the RRN can count the number of first total RBs occupied by the PUCCH in the current period according to each broadcast message received in the current period.

For a second total number of symbols occupied by the SRS in the current period: the RRN can count the second total number of symbols occupied by the SRS in the current period according to each broadcast message received in the current period.

For a first average value of downlink RB utilization rates corresponding to time units included in a current period: the RRN may be obtained by obtaining the downlink RB utilization rate corresponding to each time unit included in the current period according to the method for obtaining the downlink RB utilization rate corresponding to the current time unit in the embodiment shown in fig. 4, and then obtaining an average value.

For a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period: the RRN may obtain the number of RBs occupied by one PUCCH according to each broadcast message received in the current period, and obtain an average value of the numbers of RBs occupied by the PUCCH to obtain a second average value. If the number b of RBs occupied by the PUCCH is acquired according to the broadcast message a, the number b of RBs occupied by the PUCCH is the number of RBs occupied by the PUCCH corresponding to the broadcast message a.

Step S302, if the attribute information of the current period satisfies the corresponding preset condition, the RRN determines that the first network device is in the congestion state.

The preset condition corresponding to the first total symbol number occupied by the PDCCH is as follows: the difference value between the first total symbol number and the first symbol baseline value is greater than or equal to a second preset threshold, and the preset condition corresponding to the first total RB number occupied by the PUCCH is as follows: the difference value between the first total RB number and the RB baseline value is greater than or equal to a third preset threshold value, and the preset condition corresponding to the second total symbol number occupied by the SRS is as follows: the difference value between the second total symbol number and the second symbol baseline value is greater than a fourth preset threshold, and the preset condition corresponding to the first average value is as follows: the first average value is greater than or equal to a first preset threshold value, and the second average value corresponds to preset conditions that: the difference value between the second average value and the third symbol baseline value is greater than or equal to a fifth preset threshold value.

Specifically, the attribute information of the current period includes which items in step S301, and the RRN determines that the first network device is in the congestion state after determining that preset conditions corresponding to the items of attribute information are simultaneously satisfied.

The second preset threshold, the third preset threshold, the fourth preset threshold, and the fifth preset threshold may be set according to actual conditions, and this embodiment is not limited.

The first, second, third and RB baseline values are obtained before the RRN obtains the attribute information of the current period. A possible method for obtaining the first, second, third and RB baseline values will be described below.

1. The first symbol baseline value is obtained as follows:

d1, for each preset time period in at least one preset time period, the RRN acquires a third total symbol number occupied by the PDCCH in the preset time period, and the corresponding duration of each preset time period is the same as the corresponding duration of the current cycle;

specifically, the preset time period may be 0: 00-5: time periods in the time period between 00. The method for the RRN to obtain the third total symbol number occupied by the PDCCH in each preset time period is the same as the method for the RRN to obtain the first total symbol number occupied by the PDCCH in the current period, and details are not repeated here.

d2, RRN determines the first symbol baseline value according to the third total symbol number.

Specifically, the RRN obtains an average value of each third total symbol number according to each third total symbol number, and determines the average value of each third total symbol number as the first symbol baseline value.

2. The second symbol baseline value is obtained as follows:

e1, for each preset time period in the at least one preset time period, the RRN acquires the fourth total symbol number occupied by the SRS in the preset time period, and the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

specifically, the preset time period may be 0: 00-5: time periods in the time period between 00. The method for the RRN to obtain the fourth total number of symbols occupied by the SRS corresponding to each preset time period is the same as the method for the RRN to obtain the fourth total number of symbols occupied by the SRS in the current period, and details are not repeated here.

e2, RRN determines a second symbol baseline value according to the fourth total symbol number.

Specifically, the RRN obtains an average value of each fourth total number of symbols, and determines the average value of each fourth total number of symbols as the second symbol baseline value.

3. The third symbol baseline value is obtained as follows:

f1, for each preset time segment in at least one preset time segment, the RRN obtains a third average value of the number of RBs occupied by PUCCHs corresponding to each received broadcast message in the preset time segment, and the duration corresponding to each preset time segment is the same as the duration corresponding to the current cycle;

specifically, each preset time period is 0: 00-5: time periods in the time period between 00. The method for the RRN to obtain the third average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in each preset time period, and the method for the RRN to obtain the second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period are not described herein again.

f2, RRN determines a third symbol baseline value according to each third average value.

Specifically, the RRN obtains an average value of each third average value according to each third average value, and determines the average value of each third average value as a third symbol baseline value.

4. The RB baseline value is obtained as follows:

g1, for each preset time segment in at least one preset time segment, the RRN obtains a second total RB number occupied by the PUCCH in the preset time segment, and the duration corresponding to the preset time segment is the same as the duration corresponding to the current cycle.

Specifically, each preset time period is 0: 00-5: time periods in the time period between 00. The method for acquiring the second total RB number occupied by the PUCCH corresponding to each preset time period by the RRN is the same as the method for acquiring the first total RB number occupied by the PUCCH in the current period by the RRN, and details are not repeated here.

g2, RRN determines the RB base line value according to the second total RB numbers.

Specifically, the RRN obtains an average value of the second total RB numbers according to the second total RB numbers, and determines the average value of the second total RB numbers as an RB baseline value.

Step S303, the RRN sends an indication message to the second network device, where the indication message is used to indicate that the first network device is in the congestion state.

Specifically, the specific implementation of step S303 refers to step S102 in the embodiment shown in fig. 3, and details are not repeated here.

And step S304, the second network equipment performs admission control according to the indication information.

Specifically, the specific implementation of step S304 refers to step S103 in the embodiment shown in fig. 3, and details are not repeated here.

The present embodiment provides a method for acquiring a network device state corresponding to usage information of an air interface resource being other information.

The method for acquiring the network device status provided by the embodiment of the present application is described above by the embodiments shown in fig. 3 to 5, and the apparatus for acquiring the network device status provided by the embodiment of the present application is described below by the embodiments shown in fig. 6 to 8.

Fig. 6 is a schematic structural diagram of a device for acquiring a network device state according to an embodiment of the present application, referring to fig. 6, the device according to the embodiment includes: an acquisition module 61 and a sending module 62.

An obtaining module 61, configured to obtain usage information of an air interface resource, where the usage information of the air interface resource is obtained by monitoring the air interface resource by a device that obtains a state of a network device.

A sending module 62, configured to send, if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, indication information to the second network device, where the indication information is used to indicate that the first network device is in the congestion state.

The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.

Fig. 7 is a schematic structural diagram of a device for acquiring a network device state according to an embodiment of the present application, where the device of the present embodiment further includes, on the basis of the device shown in fig. 7: a determination module 63.

The obtaining module 61 is specifically configured to: acquiring the utilization rate of a downlink Resource Block (RB) corresponding to a current time unit;

the determining module 63 is configured to determine that the first network device is in the congestion state if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, and before sending the indication information to the second network device, if the downlink RB utilization is greater than or equal to a first preset threshold.

Optionally, the obtaining module 61 is specifically configured to:

Optionally, the obtaining module 61 is further configured to, for each RB corresponding to the first network device in the current time unit: acquiring the signal intensity of a downlink signal on an RB, and if the signal intensity of the downlink signal on the RB is greater than or equal to the signal intensity baseline value of a cell corresponding to the RB, determining that the RB is before the RB used for transmitting data:

Optionally, the obtaining module 61 is specifically configured to:

the determining module 63 is further configured to, before the determining that the first network device is in the congestion state according to the usage information of the air interface resource, send instruction information to the second network device:

Optionally, if the attribute information includes a first total symbol number occupied by the PDCCH, the obtaining module is further configured to, before obtaining the attribute information of the current period:

Optionally, if the attribute information includes the number of first total RBs occupied by the PUCCH, the obtaining module 61 is further configured to, before obtaining the attribute information of the current period:

for each preset time period in at least one preset time period, acquiring a second total RB number occupied by a PUCCH in the preset time period, wherein the duration corresponding to each preset time period is the same as the duration corresponding to the current cycle;

and determining the RB baseline value according to the second total RB numbers.

Optionally, if the attribute information includes a second total number of symbols occupied by the SRS, the obtaining module 61 is further configured to, before obtaining the attribute information of the current period:

for each preset time period in at least one preset time period, acquiring a fourth total symbol number occupied by the SRS in the preset time period, wherein the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

Optionally, if the attribute information includes a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period, the obtaining module 61 is further configured to, before obtaining the attribute information in the current period:

Fig. 8 is a third schematic structural diagram of an apparatus for acquiring a network device status according to an embodiment of the present application, where the apparatus of the present embodiment includes: an acquisition module 81 and a control module 82.

An obtaining module 81, configured to obtain, from the relay remote node RRN, indication information, where the indication information is used to indicate that the first network device is in a congestion state;

and the control module 82 is configured to perform admission control according to the indication information.

Fig. 9 is a schematic structural diagram of a relay remote node according to an embodiment of the present application, and referring to fig. 9, the relay remote node according to the present embodiment includes a processor 91 and a memory 92; the processor 91 is coupled to the memory 92, and reads and executes the instructions in the memory 92 to implement the method corresponding to the RRN in the above method embodiment.

In another scheme, the instructions read and executed by the processor 91 are stored in a memory external to the RRN, that is, the instructions read and executed by the processor 91 are stored in a memory external to the RRN, so as to implement the method corresponding to the RRN in the above method embodiment.

It should be understood that in the embodiments of the present application, the processor 92 may be a CPU, and the processor 92 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or any conventional processor or the like.

The memory 91 may include both read-only memory and random access memory, and provides instructions and data to the processor 92. The memory 91 may also include a non-volatile random access memory. For example, the memory 91 may also store information of device types.

The memory 91 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and direct bus RAM (DR RAM).

The bus 93 may include a power bus, a control bus, a status signal bus, and the like, in addition to the data bus. But for clarity of illustration the various buses are labeled as bus 93 in the figures.

The embodiment of the application also provides a network device, which comprises a processor and a memory; the processor is coupled to the memory, and is configured to read and execute the instructions in the memory to implement the method corresponding to the second network device in the above method embodiment.

In another scheme, the instructions read and executed by the processor of the network device are stored in a memory external to the network device, that is, the instructions stored in the memory external to the network device and read and executed by the processor of the network device, so as to implement the method corresponding to the network device in the above method embodiment.

The computer storage medium includes instructions, and when the instructions are run on a communication apparatus, the apparatus for acquiring a network device status is caused to acquire a method corresponding to the RRN in the above method embodiment.

An embodiment of the present application provides a computer storage medium, which includes an instruction, and is characterized in that when the instruction runs on a communication apparatus, the apparatus for acquiring a state of a network device is enabled to execute a method corresponding to a second network device in the foregoing method embodiments.

Claims

1. A method for obtaining a status of a network device, comprising:

2. The method of claim 1, wherein the obtaining of the usage information of the air interface resources by the RRN comprises:

3. The method of claim 2, wherein the obtaining, by the RRN, the utilization rate of the downlink resource block RB corresponding to the current time unit comprises:

4. The method of claim 3, wherein the RRN obtaining the RB being used for transmitting data corresponding to the current time unit comprises:

5. The method of claim 4, wherein for each RB corresponding to the first network device within the current time unit: the RRN obtains the signal strength of the downlink signal on the RB, and if the signal strength of the downlink signal on the RB is greater than or equal to the signal strength baseline value of the cell corresponding to the RB, the RRN determines that the RB is a RB that is being used for data transmission, further includes:

6. The method of claim 4 or 5, wherein for each RB corresponding to the first network device within the current time unit: the RRN obtains the signal strength of the downlink signal on the RB, and if the signal strength of the downlink signal on the RB is greater than or equal to the signal strength baseline value of the cell corresponding to the RB, the RRN determines that the RB is a RB that is being used for data transmission, further includes:

7. The method of claim 1, wherein the obtaining of the usage information of the air interface resources by the RRN comprises:

8. The method of claim 7, wherein if the attribute information includes a first total symbol number occupied by the PDCCH, before the RRN acquires the attribute information of the current period, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a third total symbol number occupied by the PDCCH in the preset time period, and the corresponding duration of each preset time period is the same as the corresponding duration of the current period;

9. The method of claim 7, wherein if the attribute information includes the first total RB number occupied by the PUCCH, before the RRN obtains the attribute information of the current cycle, the method further includes:

for each preset time period in at least one preset time period, the RRN acquires a second total RB number occupied by the PUCCH in the preset time period, and the duration corresponding to each preset time period is the same as the duration corresponding to the current period;

and determining the RB baseline value according to the second total RB numbers.

10. The method of claim 7, wherein if the attribute information includes a second total number of symbols occupied by the SRS, before the RRN acquires the attribute information of the current period, the method further comprises:

for each preset time period in at least one preset time period, the RRN acquires a fourth total symbol number occupied by the SRS in the preset time period, and the time length corresponding to each preset time period is the same as the time length corresponding to the current period;

11. The method according to claim 7, wherein if the attribute information includes a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period, before the RRN acquires the attribute information in the current period, the method further includes:

and determining the third symbol baseline value according to each third average value.

12. A method of determining a status of a network device, comprising:

the second network equipment performs admission control according to the indication information;

13. An apparatus for obtaining a status of a network device, comprising:

the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring the use information of air interface resources, and the use information of the air interface resources is obtained after the RRN monitors the air interface resources;

a sending module, configured to send, if it is determined that the first network device is in the congestion state according to the usage information of the air interface resource, the RRN sends indication information to the second network device, where the indication information is used to indicate that the first network device is in the congestion state.

14. The apparatus of claim 13, wherein the obtaining module is specifically configured to:

further comprising: a determining module, configured to determine that the first network device is in the congestion state if the RRN determines that the first network device is in the congestion state according to the usage information of the air interface resource, before the RRN sends indication information to the second network device, if the downlink RB utilization is greater than or equal to a first preset threshold, the RRN determines that the first network device is in the congestion state.

15. The apparatus of claim 14, wherein the obtaining module is specifically configured to:

16. The apparatus of claim 15, wherein the obtaining module is specifically configured to:

17. The apparatus of claim 16, wherein the obtaining module is further configured to, for each RB corresponding to the first network device in the current time unit: the RRN acquires the signal intensity of the downlink signal on the RB, and if the signal intensity of the downlink signal on the RB is larger than or equal to the signal intensity baseline value of the cell corresponding to the RB, the RRN determines that the RB is a RB which is used for transmitting data before:

within a preset time length, acquiring a first signal strength of a downlink signal received from an RB for each RB corresponding to a service cell where the RRN is located;

18. The apparatus of claim 16 or 17, wherein the obtaining module is further configured to, for each RB corresponding to the first network device in the current time unit: the RRN acquires the signal intensity of the downlink signal on the RB, and if the signal intensity of the downlink signal on the RB is larger than or equal to the signal intensity baseline value of the cell corresponding to the RB, the RRN determines that the RB is a RB which is used for transmitting data before:

19. The apparatus of claim 13, wherein the obtaining module is specifically configured to:

further comprising: a determining module, configured to, before the RRN sends the indication information to the second network device, determine that the first network device is in the congestion state according to the usage information of the air interface resource:

20. The apparatus of claim 19, wherein if the attribute information includes a first total symbol number occupied by the PDCCH, the obtaining module is further configured to, before the RRN obtains the attribute information of the current period:

21. The apparatus of claim 19, wherein if the attribute information includes the first total RB number occupied by the PUCCH, the obtaining module is further configured to, before the RRN obtains the attribute information of the current period:

and determining the RB baseline value according to the second total RB numbers.

22. The apparatus of claim 19, wherein if the attribute information includes a second total number of symbols occupied by the SRS, the obtaining module is further configured to, before the RRN obtains the attribute information of the current period:

23. The apparatus of claim 19, wherein if the attribute information includes a second average value of the number of RBs occupied by the PUCCH corresponding to each broadcast message received in the current period, the obtaining module is further configured to, before the RRN obtains the attribute information in the current period:

24. An apparatus for obtaining a status of a network device, comprising:

the control module is used for the second network equipment to carry out admission control according to the indication information;

25. A relay remote node comprising a processor;

the processor is coupled to the memory, and reads and executes instructions in the memory to implement the method of any one of claims 1-12.

26. The relay remote node of claim 25, further comprising said memory.

27. A computer storage medium comprising instructions that, when executed on a communication device, cause the communication device to perform the method of any of claims 1-12.